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San Diego, Texas

City in Duval County, Texas

Air quality

The air at San Diego

Index 37, good, led by ozone. Read at 2 AM from its reporting area, Corpus Christi (TX), 52 miles off.

37Good
  • Fine particles (PM2.5)22Good-
  • Ozone37Good-
  • Coarse particles (PM10)11Good-

The days ahead

Highest moderate, Sun Oct 18, led by ozone. Yesterday measured 36, good.

Smoke, the next 42 hours

Little smoke near the ground through Sat 7 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at San Diego

None in the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at San Diego, the next 42 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 8 miles Fri 7 AM.

FriSat

On the radar over San Diego, TexasReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest San Diego, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.8 miles away.

measured now4 instruments

measured daily2 instruments

Alice 7.9 WTX-JW-19

In a volunteer observer's own ground/2.8 mi away/286 ft/19 ft below here

precip, snowfall, snow depth

Rank-

BenavidesBVDT2

At a cooperative observer's station/15.8 mi away/397 ft/92 ft above here

snowfall, snow depth, precip, high, low

Rank3,856of 4,689

Station report

The weather at Alice INTL Airport, drawn

The nearest airport reporting now, 13.0 mi from San Diego, Texas. From its report of Oct 16, 2026, 1:53 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Alice INTL Airport, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ALIFIG. A THE SKY OVER ALICE INTL AIRPORTSECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEAlice INTL Airport, the skySTATION REPORT · ASOS ALITYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-ALI-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

70.0 F with a dew point of 67.0 F, 90 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 700 ft up.

Chart of the air at Alice INTL Airport: temperature 70.0 degrees Fahrenheit and dew point 67.0, 90 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 700 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ALIFIG. B THE AIR AT ALICE INTL AIRPORTTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00060 F70 F80 FSATURATES 700 FT ABOVE THE STATION, AT 66.2 FTEMPERATURE 70.0 FDEW POINT 67.0 FSPREAD 3.0 FRELATIVE HUMIDITY 90 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLEAlice INTL Airport, the airSTATION REPORT · ASOS ALITYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-ALI-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (10 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Alice INTL Airport, north up: blowing from 10 degrees, the north, at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ALIFIG. C THE WIND AT ALICE INTL AIRPORTPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 10°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEAlice INTL Airport, the windSTATION REPORT · ASOS ALITYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-ALI-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Alice INTL Airport, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Benavides (BVDT2), 15.8 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Texas

20 places, each with its own forecast and its own instruments.

Near San Diego

The nearest places, each with its own forecast and the instruments nearest it.

Near San Diego

River and lake gauges